Scrapblog is a site where you can create scrapbook-like, online content that can be adapted to look like online presentations. As of now, the site is free -- and you can use visual content and videos from sites like Flickr, Webshots, YouTube, etc.
On Webware, Rafe Needleman adds that Scrapblog is an excellent online application. It's based on Adobe's Flex and uses a lot of the fancy user interface options available on that platform. Read more here...